<!DOCTYPE html>
<html>
<head>
    <title>主页面</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link href="https://cdn.staticfile.org/twitter-bootstrap/5.1.1/css/bootstrap.min.css" rel="stylesheet">
    <script src="https://cdn.staticfile.org/twitter-bootstrap/5.1.1/js/bootstrap.bundle.min.js"></script>
    <link href="https://cdn.staticfile.org/twitter-bootstrap/5.1.1/css/bootstrap.min.css" rel="stylesheet">
    <script src="https://cdn.staticfile.org/twitter-bootstrap/5.1.1/js/bootstrap.bundle.min.js"></script>

    <style>
        body{
            width: 1300px;
            height: 800px;
            background: url("https://p.qqan.com/up/2020-10/16031795746709562.jpg") ;
            /* border: aqua solid; */
        }
        .one{
            width: 300px;
            height: 60px;
            color: red;
        }
        .two{
            text-align: center;
            border: 1px solid;
            /*border-bottom: ;*/
            height: 60px;
            width: 300px;


        }
        .three{
            height: 750px;
            width: 315px;
            margin-right: 90%;

            /* border: #FF0000 solid; */
        }
        .four{
            margin-right: 400px;

            width: 300px;
            height: 700px;
        }
        .five{
            margin-left: 90%;
            margin-top: -10px;
        }

        .b{
            /* 	border: yellow solid; */
            margin-top: -660px;
            margin-left: 310px;
            width: 850px;
            height: 750px


        }
        .c{
            width: 1300px;
            height: 800px;

            /* 	border: green solid; */
        }

    </style>
</head>
<body>
<div class="c">

    <!-- <div class="a"> -->
    <div class="container mt-3 three">


        <!-- <div class="b"> -->
        <div  class="one bg-success text-white">
            <h2>操作选项</h2>
        </div>
        <!--   <div class="b"> -->
        <ul class="nav flex-column ">
            <li class="nav-item two">
                <a class="nav-link text-body" href="/err">增加书籍</a>
            </li>
            <li class="nav-item two">
                <a class="nav-link text-body" href="/err">管理书籍</a>
            </li>
            <li class="nav-item two">
                <a class="nav-link text-body" href="/indexInfo">管理中心</a>
            </li>
            <li class="nav-item two">
                <a class="nav-link text-body" href="/getAllBook">查询所有图书</a>
            </li><li class="nav-item two">
            <a class="nav-link text-info" href="#">暂无</a>
        </li>
            <li class="nav-item two">
                <a class="nav-link text-info" href="#">暂无</a>
            </li>
            <li class="nav-item two">
                <a class="nav-link text-info" href="#">暂无</a>
            </li>
            <li class="nav-item two">
                <a class="nav-link text-info" href="#">暂无</a>
            </li>
            <li class="nav-item two">
                <a class="nav-link text-info" href="#">暂无</a>
            </li>
            <li class="nav-item two">
                <a class="nav-link text-info" href="#">暂无</a>
            </li>
        </ul>

        <div class="b"><h1 class="bg-info" style="text-align: center;">书籍是人类进步的阶梯！！！</h1>

           

            <div id="demo" class="carousel slide" data-bs-ride="carousel">

                <!-- 指示符 -->
                <div class="carousel-indicators">
                    <button type="button" data-bs-target="#demo" data-bs-slide-to="0" class="active"></button>
                    <button type="button" data-bs-target="#demo" data-bs-slide-to="1"></button>
                    <button type="button" data-bs-target="#demo" data-bs-slide-to="2"></button>
                </div>

                <!-- 轮播图片 -->
                <div class="carousel-inner">
                    <div class="carousel-item active">
                        <img src="https://tse1-mm.cn.bing.net/th/id/R-C.73d1b2dcfc50949dc3dd4d23ef97e81e?rik=VXHka3IfwRVciw&riu=http%3a%2f%2fwww.qqpao.com%2fuploads%2fallimg%2f170511%2f10-1F511143351.jpg&ehk=vrfstl8Yh2q%2fgbdxODq1mr%2fZ2gt5k8y75%2fXUHY1WtGg%3d&risl=&pid=ImgRaw&r=0" class="d-block" style="width:100%">
                    </div>
                    <div class="carousel-item">
                        <img src="https://pic.52112.com/180531/JPG-180531_327/kpi7gaW0D6_small.jpg" class="d-block" style="width:100%">
                    </div>
                    <div class="carousel-item">
                        <img src="https://tse1-mm.cn.bing.net/th/id/R-C.b06f9382561827d0c82c25b32c5f71b6?rik=JfJWoWzc9argyw&riu=http%3a%2f%2fpic.52112.com%2f180528%2fJPG-180528_366%2fmSsNzvSb9z_small.jpg&ehk=8u9TmJJyV87ucNKkS4PfBJ62AiiMaNwHVX6ajhWFHGU%3d&risl=&pid=ImgRaw&r=0" class="d-block" style="width:100%">
                    </div>
                </div>

                <!-- 左右切换按钮 -->
                <button class="carousel-control-prev" type="button" data-bs-target="#demo" data-bs-slide="prev">
                    <span class="carousel-control-prev-icon"></span>
                </button>
                <button class="carousel-control-next" type="button" data-bs-target="#demo" data-bs-slide="next">
                    <span class="carousel-control-next-icon"></span>
                </button>
            </div></div>
    </div>
</div>






</div>
</div>
</div>
</body>
</html>